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Bash history without line numbers
.... I understand why it shows the line numbers, but is there a way I can invoke the history command and suppress the line numbers?
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How to check if a variable is a dictionary in Python?
How would you check if a variable is a dictionary in python?
4 Answers
4
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What is the dual table in Oracle?
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Vishwanath Dalvi
30.2k3636 gold badges114114 silver badges144144 bronze badges
answered Sep 16 '08 at 15:45
Sean McMainsSe...
How do I count a JavaScript object's attributes? [duplicate]
...s you defined from those you got "for free."
Here's one way:
var foo = {"key1": "value1", "key2": "value2", "key3": "value3"};
Object.prototype.foobie = 'bletch'; // add property to foo that won't be counted
var count = 0;
for (var k in foo) {
if (foo.hasOwnProperty(k)) {
++count;
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How do I find the duplicates in a list and create another list with them?
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To remove duplicates use set(a). To print duplicates, something like:
a = [1,2,3,2,1,5,6,5,5,5]
import collections
print([item for item, count in collections.Counter(a).items() if count > 1])
## [1, 2, 5]
Note that Counter is not particularly efficient (timings) and probably overkil...
Elastic search, multiple indexes vs one index and types for different data sets?
I have an application developed using the MVC pattern and I would like to index now multiple models of it, this means each model has a different data structure.
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Get Value of a Edit Text field
...create UI elements. I have created a few EditText input fields. On the click of a Button I want to capture the content typed into that input field.
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Writing a compiler in its own language
...are indeed created in this fashion, partially because language designers like to use the language they are creating, and also because a non-trivial compiler often serves as a useful benchmark for how "complete" the language may be.
An example of this would be Scala. Its first compiler was created ...
Set database timeout in Entity Framework
My command keeps timing out, so I need to change the default command timeout value.
9 Answers
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Call Activity method from adapter
...Button btn = (Button) convertView.findViewById(yourButtonId);
btn.setOnClickListener(new Button.OnClickListener() {
@Override
public void onClick(View v) {
if (mContext instanceof YourActivityName) {
((YourActivityName)mContext).yourDesiredMethod();
}
}
});
replace with your ow...